1494892501 has 16 divisors (see below), whose sum is σ = 1595746224. Its totient is φ = 1395523584.

The previous prime is 1494892453. The next prime is 1494892523. The reversal of 1494892501 is 1052984941.

It can be written as a sum of positive squares in 8 ways, for example, as 112911876 + 1381980625 = 10626^2 + 37175^2 .

It is a cyclic number.

It is not a de Polignac number, because 1494892501 - 2¹³ = 1494884309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494892541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2207775 + ... + 2208451.

It is an arithmetic number, because the mean of its divisors is an integer number (99734139).

Almost surely, 2^1494892501 is an apocalyptic number.

It is an amenable number.

1494892501 is a deficient number, since it is larger than the sum of its proper divisors (100853723).

1494892501 is a wasteful number, since it uses less digits than its factorization.

1494892501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 1494892501 is about 38663.8397084408. The cubic root of 1494892501 is about 1143.4135146976.

The spelling of 1494892501 in words is "one billion, four hundred ninety-four million, eight hundred ninety-two thousand, five hundred one".