902725161 has 12 divisors (see below), whose sum is σ = 1303343568. Its totient is φ = 555522864.

The previous prime is 902725157. The next prime is 902725171. The reversal of 902725161 is 161527209.

It is not a de Polignac number, because 902725161 - 2² = 902725157 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (902725111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 889755 + ... + 890768.

It is an arithmetic number, because the mean of its divisors is an integer number (108611964).

Almost surely, 2^902725161 is an apocalyptic number.

It is an amenable number.

902725161 is a deficient number, since it is larger than the sum of its proper divisors (400618407).

902725161 is a wasteful number, since it uses less digits than its factorization.

902725161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780552 (or 1780539 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 902725161 is about 30045.3850199993. The cubic root of 902725161 is about 966.4628893620.

The spelling of 902725161 in words is "nine hundred two million, seven hundred twenty-five thousand, one hundred sixty-one".