190951925 has 6 divisors (see below), whose sum is σ = 236780418. Its totient is φ = 152761520.

The previous prime is 190951877. The next prime is 190951963. The reversal of 190951925 is 529159091.

It can be written as a sum of positive squares in 3 ways, for example, as 42436 + 190909489 = 206^2 + 13817^2 .

It is not a de Polignac number, because 190951925 - 2⁶ = 190951861 is a prime.

It is a super-2 number, since 2×190951925² = 72925275322411250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3819014 + ... + 3819063.

It is an arithmetic number, because the mean of its divisors is an integer number (39463403).

Almost surely, 2^190951925 is an apocalyptic number.

It is an amenable number.

190951925 is a deficient number, since it is larger than the sum of its proper divisors (45828493).

190951925 is an equidigital number, since it uses as much as digits as its factorization.

190951925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7638087 (or 7638082 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 41.

The square root of 190951925 is about 13818.5355591683. The cubic root of 190951925 is about 575.8481999750.

The spelling of 190951925 in words is "one hundred ninety million, nine hundred fifty-one thousand, nine hundred twenty-five".