698925901 has 4 divisors (see below), whose sum is σ = 700077952. Its totient is φ = 697773852.

The previous prime is 698925853. The next prime is 698925911. The reversal of 698925901 is 109529896.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 698925901 - 2⁹ = 698925389 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 (698925911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575115 + ... + 576328.

It is an arithmetic number, because the mean of its divisors is an integer number (175019488).

Almost surely, 2^698925901 is an apocalyptic number.

It is an amenable number.

698925901 is a deficient number, since it is larger than the sum of its proper divisors (1152051).

698925901 is a wasteful number, since it uses less digits than its factorization.

698925901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152050.

The product of its (nonzero) digits is 349920, while the sum is 49.

The square root of 698925901 is about 26437.2067548748. The cubic root of 698925901 is about 887.4496279286.

The spelling of 698925901 in words is "six hundred ninety-eight million, nine hundred twenty-five thousand, nine hundred one".