3620461257 has 24 divisors (see below), whose sum is σ = 6236490624. Its totient is φ = 1978884864.

The previous prime is 3620461237. The next prime is 3620461259. The reversal of 3620461257 is 7521640263.

3620461257 is a `hidden beast` number, since 3 + 620 + 4 + 6 + 1 + 25 + 7 = 666.

It is not a de Polignac number, because 3620461257 - 2¹² = 3620457161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3620461259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1247848 + ... + 1250745.

It is an arithmetic number, because the mean of its divisors is an integer number (259853776).

Almost surely, 2^3620461257 is an apocalyptic number.

It is an amenable number.

3620461257 is a deficient number, since it is larger than the sum of its proper divisors (2616029367).

3620461257 is a wasteful number, since it uses less digits than its factorization.

3620461257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498629 (or 2498626 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 3620461257 is about 60170.2688792397. The cubic root of 3620461257 is about 1535.5170206436.

It can be divided in two parts, 36204 and 61257, that added together give a triangular number (97461 = T₄₄₁).

The spelling of 3620461257 in words is "three billion, six hundred twenty million, four hundred sixty-one thousand, two hundred fifty-seven".