151323025 has 30 divisors (see below), whose sum is σ = 218987782. Its totient is φ = 103723200.

The previous prime is 151323019. The next prime is 151323031. The reversal of 151323025 is 520323151.

It is an interprime number because it is at equal distance from previous prime (151323019) and next prime (151323031).

It can be written as a sum of positive squares in 3 ways, for example, as 2458624 + 148864401 = 1568^2 + 12201^2 .

It is not a de Polignac number, because 151323025 - 2³ = 151323017 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151322987 and 151323005.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 58765 + ... + 61285.

Almost surely, 2^151323025 is an apocalyptic number.

It is an amenable number.

151323025 is a deficient number, since it is larger than the sum of its proper divisors (67664757).

151323025 is an frugal number, since it uses more digits than its factorization.

151323025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559 (or 2533 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 151323025 is about 12301.3424064205. The cubic root of 151323025 is about 532.8868518084.

Adding to 151323025 its reverse (520323151), we get a palindrome (671646176).

The spelling of 151323025 in words is "one hundred fifty-one million, three hundred twenty-three thousand, twenty-five".