3146490607225 has 81 divisors (see below), whose sum is σ = 4622263283727. Its totient is φ = 2118554998560.

The previous prime is 3146490607199. The next prime is 3146490607289. The reversal of 3146490607225 is 5227060946413.

The square root of 3146490607225 is 1773835.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1132736618601 + 2013753988624 = 1064301^2 + 1419068^2 .

It is not a de Polignac number, because 3146490607225 - 2⁹ = 3146490606713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 3662968846 + ... + 3662969704.

Almost surely, 2^{3146490607225} is an apocalyptic number.

3146490607225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3146490607225 is the 1773835-th square number.

3146490607225 is the 886918-th centered octagonal number.

It is an amenable number.

3146490607225 is a deficient number, since it is larger than the sum of its proper divisors (1475772676502).

3146490607225 is an frugal number, since it uses more digits than its factorization.

3146490607225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

Multiplying 3146490607225 by its sum of digits (49), we get a square (154178039754025 = 12416845²).

3146490607225 divided by its sum of digits (49) gives a square (64214094025 = 253405²).

The spelling of 3146490607225 in words is "three trillion, one hundred forty-six billion, four hundred ninety million, six hundred seven thousand, two hundred twenty-five".